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fix(wujie): add boundary check for URL rewrite to prevent path escape #270

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Merged
Gaubee merged 1 commit into from
Jan 21, 2026
Merged

fix(wujie): add boundary check for URL rewrite to prevent path escape #270

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12 changes: 9 additions & 3 deletions src/services/miniapp-runtime/container/wujie-container.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -64,13 +64,19 @@ function rewriteHtmlAbsolutePaths(html: string, baseUrl: string): string {
const PLACEHOLDER_ORIGIN = 'https://placeholder.local/';

function createAbsolutePathRewriter(baseUrl: string) {
const targetBase = new URL(baseUrl).href;
const targetBase = new URL(baseUrl);
const targetBaseHref = targetBase.href;

return {
fetch: (input: RequestInfo | URL, init?: RequestInit) => {
const req = new Request(input, init);
const normalized = new URL(req.url, PLACEHOLDER_ORIGIN);
const rewrittenUrl = normalized.href.replace(PLACEHOLDER_ORIGIN, targetBase);
let normalized = new URL(req.url, PLACEHOLDER_ORIGIN);
// 越界访问，强制控制越界
if (normalized.origin === targetBase.origin && normalized.href.startsWith(targetBaseHref) === false) {
normalized = new URL(normalized.href.replace(normalized.origin, ''), PLACEHOLDER_ORIGIN);
}
const rewrittenUrl = normalized.href.replace(PLACEHOLDER_ORIGIN, targetBaseHref);

return window.fetch(rewrittenUrl, init);
},
plugins: [
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